Investigator: Missing Iowa girl's blood found

National News

This image from video provided by The Iowa Department of Public Safety shows Kathlynn Shepard, 15, as she exits a school bus shortly before her abduction on Monday, May 20, 2013. Investigators say they recovered Shepard's backpack along with one belonging to a 12-year-old who escaped from the kidnapper. Police continued their search Wednesday, May 20, for Kathlynn around Dayton, about 60 miles north of Des Moines. (AP Photo/Iowa Department of Public Safety)

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Investigator: Mi... This image from video provided by The Iowa Department of Public Safety shows Kathlynn Shepard, 15, as she exits a school bus shortly before her abduction on Monday, May 20, 2013. Investigators say they recovered Shepard's backpack along with one belonging to a 12-year-old who escaped from the kidnapper. Police continued their search Wednesday, May 20, for Kathlynn around Dayton, about 60 miles north of Des Moines. (AP Photo/Iowa Department of Public Safety)
Distraught mom b... FILE - In this May 20, 2013 file photo, LaTisha Garcia carries her 8-year-old daughter, Jazmin Rodriguez near Plaza Towers Elementary School after a massive tornado carved its way through Moore, Okla., leaving little of the school and neighborhood. This picture, published on hundreds of front pages around the world, has become one of the enduring images from the storm. (AP Photo/Sue Ogrocki,File)
Kids, teachers f... A teacher's classroom sign sits on a desk propping open a door amid the wreckage of Plaza Towers Elementary School, where seven children were killed earlier in the week when a tornado hit Moore, Okla., Thursday, May 23, 2013. The huge tornado roared through the Oklahoma City suburb Monday, flattening entire neighborhoods and destroying the elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. (AP Photo/Brennan Linsley)
Boy Scouts appro... Matthew Ray, 15, of North Richland Hills, Texas, holds signs near where the Boy Scouts of America are holding their annual meeting Wednesday, May 22, 2013, in Grapevine, Texas. Delegates to the meeting are expected to address a proposal to allow gay scouts into the organization. (AP Photo/LM Otero)
Boston suspect u... This May 4, 2013 police photo provided by the Orange County Corrections Department in Orlando, Fla., shows Ibragim Todashev after his arrest for aggravated battery in Orlando. Todashev, who was being questioned in Orlando by authorities in the Boston bombing probe, was fatally shot Wednesday, May 22, 2013 when he initiated a violent confrontation, FBI officials said. (AP Photo/Orange County Corrections Department)
Birth control co... Customers are seen at a Hobby Lobby store in Denver on Wednesday, May 22, 2013. A challenge to the federal health care law faces its most prominent test yet in a full 10th Circuit hearing in Denver on Thursday. Hobby Lobby stores is challenging a federal mandate requiring it to offer employees health coverage that includes access to the morining-after birth control pill. The Oklahoma based arts and crafts chain says the mandate violates the religious beliefs of its owners. (AP Photo/Ed Andrieski)
Weiner gets star... New York City mayoral hopeful Anthony Weiner discusses his policies with a passerby while greeting commuters during a campaign event outside a Harlem subway station, Thursday, May 23, 2013 in New York. Weiner, who ran for mayor in 2005 and nearly did in 2009, is getting into the race to succeed three-term Mayor Michael Bloomberg about two years after a series of tawdry tweets, and obfuscating explanations that capsized his promising congressional career. (AP Photo/Jason DeCrow)
Latest deadly to... This combination of Associated Pressfile file photos shows left, a neighborhood in Moore, Okla., on Tuesday, May 4, 1999, after a tornado flattened many houses and buildings in central Oklahoma, and right, flattened houses in Moore on Tuesday, May 21, 2013. This week’s twister killed 24 people, obliterated entire city blocks and caused damage that’s expected to top $2 billion. Four tornadoes have hit the town since 1998, including one in 1999 that everyone just calls the “May 3 tornado,” which had 300 mph winds and killed more than 40 people. (AP Photo/J. Pat Carter; Tony Gutierrez)
House immigratio... House Speaker John Boehner of Ohio listens to a reporter's question during a news conference on Capitol Hill in Washington, Thursday, May 23, 2013. (AP Photo/Charles Dharapak)
Body of 2nd chil... In this May 22, 2013, file photo rescue personnel work near the scene of a rockslide in St. Paul, Minn. Authorities said Thursday, May 23, 2013, they’ve recovered the body of a child missing since a rockslide killed a classmate and left two others injured at the park along the Mississippi River. (AP Photo/The Star Tribune, Nicole Norfleet) MANDATORY CREDIT; ST. PAUL PIONEER PRESS OUT; MAGS OUT; TWIN CITIES TV OUT
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Obama defends dr... President Barack Obama talks about national security, Thursday, May 23, 2013, at the National Defense University at Fort McNair in Washington. Declaring America at a "crossroads" in the fight against terrorism, the president revealed clearer guidelines for the use of deadly drone strikes, including more control by the U.S. military, while leaving key details of the controversial program secret. (AP Photo/Carolyn Kaster)
Obama endorses m... President Barack Obama talks about national security, Thursday, May 23, 2013, at the National Defense University at Fort McNair in Washington. Declaring America at a "crossroads" in the fight against terrorism, the president Barack revealed clearer guidelines for the use of deadly drone strikes, including more control by the U.S. military, while leaving key details of the controversial program secret. (AP Photo/Carolyn Kaster)
Hurricane foreca... FILE - In this Aug. 30, 2012 file photo, residents evacuate their flooded neighborhood in LaPlace, La. as Hurricane Isaac staggered toward central Louisiana, its weakening winds driving storm surge into portions of the coast and the River Parishes between New Orleans and Baton Rouge. Federal forecasters are predicting yet another busy hurricane season. The outlook on Thursday, May 23, 2013 calls for 13 to 20 named storms, 7 to 11 that strengthen into hurricanes and 3 to 6 that become major hurricanes. The prediction by the National Oceanic and Atmospheric Administration is more than what’s considered an average Atlantic season. (AP Photo/Eric Gay, File)
Tea party storm ... IRS official Lois Lerner is sworn in on Capitol Hill in Washington, Wednesday, May 22, 2013, before the House Oversight Committee hearing to investigate the extra scrutiny IRS gave to Tea Party and other conservative groups that applied for tax-exempt status. Lerner told the committee she did nothing wrong and then invoked her constitutional right to not answer lawmakers' questions. (AP Photo/Carolyn Kaster)
10 Things to See... AP10ThingsToSee - Cyclists ride on a mountainside road during the 15th stage of the Giro d'Italia (Tour of Italy) cycling race, from Cesana to Col Du Galbier, Italy on Sunday, May 19, 2013. (AP Photo/Fabio Ferrari)
Pritzker's ties ... Chicago billionaire business executive Penny Pritzker, President Obama's pick for Commerce Secretary, testifies on Capitol Hill in Washington, Thursday, May 23, 2013, before the Senate Commerce Committee hearing on her nomination. A longtime Obama friend who raised hundreds of thousands of dollars for both of his presidential campaigns, Pritzker is facing scrutiny at a Senate confirmation hearing for her ties to a subprime mortgage lender that failed in 2001. (AP Photo/J. Scott Applewhite)
US, Israel raise... U.S. Secretary of State John Kerry, left, meets with Israeli Prime Minster Benjamin Netanyahu in Jerusalem Thursday, May 23, 2013. The United States and Israel are raising hopes for a restart of the Middle East peace process after more than four years of hardly any talks. (AP Photo/Jim Young, Pool)